Champion U-H1, Technical Manual, Page: 20 / 64

DeLiming Process (Cont.d)
Model U-LD
1. Remove all dishes from machine.
2. Remove the chemical pick-up tubes from their containers.
3. Place each tube in a container of fresh water and hold each prime switch in the “UP”
position several minutes to thoroughly flush chemical from the lines. Leave pick-up
tubes out of their containers.
4. Hold the drain switch in the “UP” position to drain the machine.
5. Refill the machine with fresh water and drain again. Then refill with water.
6. Spray interior walls with deliming solution and let sit for 5 or 10 minutes depending on
amount of build-up. Add deliming solution to wash tank.
Do not let chemicals sit for longer than 15 minutes.
7. Push the Green start button and run an automatic cycle.
8. Repeat Step 3-6 if necessary.
9. Hold the drain switch in the “UP” position to drain the machine.
10. Refill the machine and run a complete cycle two additional times.
Drain and refill the machine after each cycle to thoroughly flush any
deliming solution from the interior of the machine.
11. Replace the pick-up tubes in their chemical supplies and reprime the system.
12. Flip the power switch to OFF.
13. Deliming is complete.
OPERATION CHECKS
• Daily
1. Check temperature gauges for proper readings.
2. Check pressure gauge for proper reading (U-H1, U-HB ONLY).
3. Check for leaks.
4. Check chemical supplies and refill as necessary.
• Weekly
1. Inspect all water lines for leaks.
2. Clean all detergent residue from the exterior of the machine.
3. Check the drains for leaks.
4. Clean accumulated mineral deposits from the tank heating elements (U-H1, U-HB ONLY)
5. Check that float switch moves freely (U-H1,U-HB ONLY).
6. Check and clean chemical dispensing system (U-LD ONLY).
TROUBLESHOOTING
On occasion your machine may not operate as expected.
Use the checklist below before you decide that a mechanical or electrical failure has occurred.
Checklist
1. All switches are ON?
2. Water supply ON?
3. Drain-overflow tube in place? (U-H1 and U-HB Only)
4. Spray arms and nozzles clean?
5. Spray arm end plugs in place?
6. Sump filter, pump strainer clean?
7. Thermostats set correctly? (U-H1, U-HB Only)
8. Door fully closed?
9. Chemical supplies filled?
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TROUBLESHOOTING